| Spirobolida Cook, 1895 (Order) |
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| Rhinocricidae Brölemann, 1913 (Family) |
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| Acladocricus Brölemann, 1913 (Genus) |
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| Adelobolus Verhoeff, 1924 (Genus) |
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| Alcimobolus Loomis, 1936 (Genus) |
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| Anadenobolus Silvestri, 1897 (Genus) |
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| Andocricus Chamberlin, 1955 (Genus) |
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| Argentocricus Verhoeff, 1941 (Genus) |
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| Auracricus Peréz-Asso, 1998 (Genus) |
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| Cladiscocricus Brölemann, 1913 (Genus) |
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| Cubobolus Chamberlin, 1918 (Genus) |
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| Cubocricus Chamberlin, 1922 (Genus) |
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| Desmocricus Carl, 1918 (Genus) |
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| Dibothrocricus Hoffman, 1998 (Genus) |
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| Dinematocricus Brölemann, 1913 (Genus) |
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| Erythrocricus Schubart, 1962 (Genus) |
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| Eurhinocricus Brölemann, 1903 (Genus) |
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| Fomentocricus Peréz-Asso, 1998 (Genus) |
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| Haitobolus Mauričs & Hoffman, 1998 (Genus) |
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| Jobocricus Peréz-Asso, 1998 (Genus) |
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| Leiocricus Loomis, 1936 (Genus) |
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| Lissocricus Chamberlin, 1953 (Genus) |
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| Metacricus Chamberlin, 1953 (Genus) |
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| Neocricus Chamberlin, 1941 (Genus) |
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| Nesobolus Chamberlin, 1918 (Genus) |
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| Opheocricus Verhoeff, 1938 (Genus) |
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| Orthocricus Velez, 1963 (Genus) |
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| Oxypyge Silvestri, 1896 (Genus) |
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| Oxypygides Chamberlin, 1922 (Genus) |
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| Pentocricus Schubart, 1951 (Genus) |
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| Perucricus Kraus, 1954 (Genus) |
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| Poecilocricus Schubart, 1962 (Genus) |
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| Polyconoceras Attems, 1914 (Genus) |
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| Proporobolus Silvestri, 1897 (Genus) |
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| Rhinocricus Karsch, 1881 (Genus) |
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| Rhytidocricus Hoffman & Keeton, 1960 (Genus) |
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| Salpidobolus Silvestri, 1897 (Genus) |
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| Thyroproctus Pocock, 1894 (Genus) |
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| Trachyrhinus Silvestri, 1897 (Genus) |
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| Yucatobolus Chamberlin, 1938 (Genus) |
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| Zipyge Chamberlin, 1925 (Genus) |
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SysTax - Browse Taxonomy (beta)